/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: LENOVO
 * Date: 2024-08-06
 * Time: 21:21
 */
public interface IOperations {
    void creatLinkedList();
    void display();
    void addFirst(int val);
    void addTail(int val);
    boolean contains(int val);
    int size();
    void addWithIndex(int index, int val);
    void deleteEle(int ele);
    void deleteAllEle(int ele);
}
